* {
    box-sizing: border-box;
}

/* 版心 */
.w {
    width: 1280px;
    margin: 0 auto;
}

/* 顶部 */
header {
    height: 74px;
    width: 100%;
    background-color: #fff;
    position: sticky;
    top: 0;
    z-index: 50;
}

header .w {
    /* background-color: orange; */
    height: 74px;
    display: flex;
    align-items: center;
    position: relative;
}

header .w a img {
    margin-left: -20px;

}

header .w .login {
    height: 74px;
    background-color: #024137;
    width: 193px;
    text-align: center;
    color: #fff;
    font-weight: 700;
    line-height: 74px;
    font-size: 18px;
    position: relative;
}

header .w .login .down {
    height: 191px;
    width: 194px;
    background-color: #024137;
    z-index: 20;
    position: absolute;
    /* display: flex;
    justify-content: space-around; */
    display: none;

}

header .w .login .down span {
    position: absolute;
    font-size: 50px;
    left: 18px;
    top: 10px;
}

header .w .login .down .dl {
    height: 30px;
    width: 80px;
    display: block;
    color: #fff;
    font-size: 27px;
    line-height: 230px;
    margin-left: 7px;
}

header .w .login .down .zc {
    height: 30px;
    width: 80px;
    display: block;
    color: #fff;
    font-size: 27px;
    line-height: 230px;
    color: gray;
    position: absolute;
    right: 15px;
    top: 0px
}

header .w .login .down .address {
    position: absolute;
    bottom: -20px;
    left: 20px;
    color: #fff;
    font-size: 12px;
}

header .w .txt1 {
    width: 456px;
    height: 46px;
    border-radius: 50px;
    display: block;
    border: #024137 2px solid;
    padding-left: 75px;
    margin-left: 98px;
}

header .w .small {
    position: absolute;
    margin-left: 500px;
}

header .w ul {
    display: flex;
    width: 268px;
    height: 15px;
    justify-content: space-between;
    align-items: center;
    margin-left: 30px;
}

header .w ul li a {
    color: #8f8a8c;
    font-size: 14px;
}

header .w ul li:hover a {
    color: #024137;
}

header .w .box1 {
    height: 207px;
    width: 417px;
    background-color: #fff;
    position: absolute;
    z-index: 100;
    top: 60px;
    left: 456px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 1px 3px 5px rgb(93, 92, 92);
    display: none;
}

header .w .box1 .inside {
    width: 340px;
    height: 150px;
    /* background-color: skyblue; */
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 10px 20px;
}

header .w .box1 .inside h5 {
    font-size: 18px;
    color: #024137;
    border-bottom: 1px solid #024137;
    padding-bottom: 10px;
}

header .w .box1 .inside .ul2 {
    width: 100%;
    height: 20px;
    margin-left: 0px;
    padding-bottom: 10px;
    display: flex;
}

header .w .box1 .inside .ul2>li {
    width: 60px;
    height: 15px;
    font-size: 13px;
    color: gray;
    margin-right: 15px;
}

header .w .box1 .inside ol {
    display: flex;
    color: gray;
}

header .w .box1 .inside ol>li a {
    display: block;
    width: 30px;
    height: 20px;
    font-size: 14px;
    margin-right: 10px;
    color: gray;
}

header .w .box1 .inside ol>li a:hover {
    color: #024137;
}

/* 广告区域 */
.banner {
    height: 525px;
    width: 1900px;
    position: relative;
}

.banner img {
    width: 1900px;
    height: 525px;
}

.banner .s1 {
    width: 100%;
    height: 100%;
    margin-left: -180px;
}

.banner ul {
    height: 525px;
    width: 296px;
    background-color: #fff;
    position: absolute;
    z-index: 2;
    margin-left: 130px;
    box-shadow: 0px 1px 1px gray;  
}
.banner ul .li1{
    text-align: center;
    line-height: 90px;
    font-size: 20px;
    color: #8f8a8c;
}
.banner ul .li1:hover{
    color: #fff;
}
.banner ul li {
    height: 90px;
    width: 296px;
    position: relative;
    padding: 0 20px;
    display: flex;
    justify-content: space-around; 
    border-bottom: 1px solid rgb(186, 185, 185);
}
.banner ul li>h4{
    height:90px;
    width: 180px;

}
.banner ul li h4>p{
    margin-top: 30px;
    color:rgb(28, 27, 27);
    font-size: 20px;
}
.iconfont{
    font-size: 35px;
    height: 90px;
    color:#024137;
    line-height: 90px;
}

.banner ul li h4 span a{
    color: #024137;
}
.banner ul li:hover .iconfont{
    color: white;
}
.banner>ul li:hover{
    background-color: #024137;
    transition: all 0.8s;
}

.banner>ul li:hover h4 span a {  
    color: white;
}
.banner>ul li:hover p{
    color: #fff;
}
.banner ul li menu{
    width: 984px;
    height: 644px;
    background-color: #fff;
    position: absolute;
    z-index: 50;
    margin-left: 1281px;
    display: flex;
    justify-content: center;
    align-items: center;
    display: none;
    box-shadow: 0px 1px 1px gray;
}
.banner .outside{

    width: 934px;
    height: 624px;
    margin: 0 auto;   
    position: relative;
}
.banner .outside .product{
    /* background-color: orange; */
    height: 48px;
    width: 90px;
}
.banner menu .outside .list1{
    height: 104px;
    width: 600px;
    /* background-color: cornflowerblue; */
    display: flex;

}
.banner menu .outside img{
    height: 385px;
    width: 285px;
    position: absolute;
    right:15px;
    top: 48px;
}
.banner menu .outside .list1 .box1{
    height: 100%;
    width:200px;
    /* background-color: antiquewhite;  */
}
.banner menu .outside .list1 .box1 span>a{
    color: rgb(30, 29, 29);
}
.banner menu .outside .list1 .box1 p>a{
    color: #8f8a8c;
    font-size: 12px;
}
.banner ul li>.menu1{
    width: 984px;
    height: 456px;
    background-color: #fff;
    position: absolute;
    z-index: 50;
    margin-left: 1281px;
    margin-top: -181px;
    display: none;
    padding: 30px;
    box-shadow: 0px 1px 1px gray;
}
.banner ul li .menu1 h6{
    font-size: 18px;
    color: #024137;
}
.banner ul li .menu1>img{
    width: 936px;
    height: 388px;
}
.banner ul li>.menu2{
    width: 984px;
    height: 456px;
    background-color: #fff;
    position: absolute;
    z-index: 50;
    margin-left: 1281px;
    margin-top: -271px;
    display: none;
    padding: 30px;
    box-shadow: 0px 1px 1px gray;
}
.banner ul li .menu2 h6{
    font-size: 18px;
    color: #024137;
}
.banner ul li .menu2>img{
    width: 936px;
    height: 388px;
}


/* service */
#backtop>img {
    height: 60px;
    width: 60px;
    position: fixed;
    right: 30px;
    top: 500px;
    z-index: 3;
}
.service {
    height: 60px;
    width: 60px;
    display: block;
    background-color: #024137;
    position: fixed;
    z-index: 25;
    right: 30px;
    top: 430px;
    border-radius: 50%;
}

.service>img {
    position: fixed;
    right: 43px;
    top: 445px;
    color: #fff;
    height: 30px;
    width: 30px;   
}


